Eaton ELC-PB - Page 141

ELC Programming Manual
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2-112
x1…x10 is as table 3
Position x1 x2 x3 x4 x5 x6 x7 x8 x9 x10(Rx)
With
decimal
point
615.55 2447.12 5449.61 9549.08 14464.59 20610.67 27300.42 34549.11 42178.25 50000
Without
decimal
point
615 2447 5449 9549 14464 20610 27300 34549 42178 50000
Y axis Æ
y1 = Ry*sin[1*π/(2*N) ]
y2 = Ry*sin[2*π/(2*N) ]
y1…y10 is as table 4
Position y1 y2 y3 y4 y5 y6 y7 y8 y9 y10(Ry)
With
decimal
point
7821.74 15450.88 22699.57 29389.32 35355.40 40450.91 44550.38 47552.87 49384.44 50000
Without
decimal
point
7821 15450 22699 29389 35355 40450 44550 47552 49384 50000
Step 2: Calculate the distance (number of pulses) between segments
X axis: x1 = x1 – 0; x2 = x2 – x1 ………x10 = x10 – x9 as shown in table
Y axis: y1 = y1 – 0; y2 = y2 – y1 ………y10 = y10 – y9 as shown in table
Position x1 x2 x3 x4 x5 x6 x7 x8 x9 x10
Number
of pulses
615 1832 3002 4100 5095 5966 6690 7249 7629 7822
Position y1 y2 y3 y4 y5 y6 y7 y8 y9 y10
Number
of pulses
7821 7629 7249 6690 5966 5095 4100 3002 1832 616
Step 3: Decide the executing time of each segment and bring out the frequency of each segment
following Step2 table.
Assume every segment executes 500ms, the equation for frequency (Hz) of each segment is:
fx1 = 1/0.5*x1
fx2 =1/0.5*x2…
Thus, the 10 segment frequency of X and Y axis is as table below.
Position fx1 fx2 fx3 fx4 fx5 fx6 fx7 fx8 fx9 fx10
Frequency 1230 3664 6004 8200 10190 11932 13380 14498 15258 15644
Position fy1 fy2 fy3 fy4 fy5 fy6 fy7 fy8 fy9 fy10
Frequency 15642 15258 14498 13380 11932 10190 8200 6004 3644 1232
Step 4: Insert D as specified in table 2 to finish all steps.